| Products catalog:
Check Valves
Check Valve |
 |
Our check valves cover all different designers required
for each service conditions.
Check valves can be bolted bonnet, pressure seal bonnet or threaded in
bonnet design.
There are different valves desing.
- Swing check
- Piston check
- Ball check
Valves can be fitted with pneumatic or hydraulic cylinder for emergency
assistance.
Dual plate check valves are also available.
ANSI B16.34 / BS 1868 / API 602
| SIZE |
150# |
300# |
600# |
900# |
1500# |
2500# |
4500# |
| Bolted bonnet |
From 1/2” to 64” |
From 1/2” to 64” |
From 1/2” to 48” |
From 1/2” to 48” |
From 1/2” to 36” |
From 1/2” to 36” |
From 1/2” to 24” |
| Pressure seal bonnet |
- |
- |
- |
From 3” to 28” |
From 3” to 24” |
From 3” to 24” |
From 3” to 14” |
API 6A
| SIZE |
2000 |
3000 |
5000 |
10000 |
| Bolted bonnet |
From 2-1/16” to 7-1/16” |
From 2-1/16” to 7-1/16” |
From 1-13/16” to 7-1/16” |
From 1-13/16” to 7-1/16” |
API 594
| SIZE |
150# |
300# |
600# |
900# |
| |
From 2” to 48” |
From 2” to 48” |
From 2” to 12” |
From 2” to 12” |
Materials
We can design our valves selecting a wide range of material.
- Carbon steels
- Alloy steels
- High resistant steel for API 6A valves
- Stainless steel
- Duplex & Superduplex
- Nickel alloys
Materials can meet NACE MR-075/ISO 1556 requirements if so required our
technical department will choose the most appropiate material according
to service conditions and customer requirements.
Typical features
- Bolted bonnet
- Pressure seal bonnet
- Thread in or welded bonnet
- Cast or forged
- Swing check, piston check, ball check
- Welded in or replaceable seats
- Dual plate check valves
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